1211066 has 4 divisors (see below), whose sum is σ = 1816602. Its totient is φ = 605532.

The previous prime is 1211059. The next prime is 1211081. The reversal of 1211066 is 6601121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6601121 = 113 ⋅58417.

It can be written as a sum of positive squares in only one way, i.e., 931225 + 279841 = 965^2 + 529^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302765 + ... + 302768.

2^1211066 is an apocalyptic number.

1211066 is a deficient number, since it is larger than the sum of its proper divisors (605536).

1211066 is an equidigital number, since it uses as much as digits as its factorization.

1211066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605535.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1211066 is about 1100.4844387814. The cubic root of 1211066 is about 106.5915073837.

Adding to 1211066 its reverse (6601121), we get a palindrome (7812187).

The spelling of 1211066 in words is "one million, two hundred eleven thousand, sixty-six".